Improving aboveground biomass maps of tropical dry forests by integrating LiDAR, ALOS PALSAR, climate and field data

Table 1 Description of allometric equations used to estimate aboveground biomass for field plots

Author of equation	Type of forest	Biological form/class size	Allometric equation
Ramírez et al. [44]	Deciduos and semi-deciduos	Tree/DBH < 10 cm	EXP(− 4.1392 + 0.99 * LN(DBH² * LENG) + 1.2268 * DENS)
Chave et al. [45]	Deciduos and semi-deciduos	Tree/DBH ≥ 10 cm	DENSI * EXP(− 0.667 + 1.784 * LN(DBH) + 0.207 * LN(DBH)² − 0.0281 * LN(DBH)³)
Guyot [46]	Semi-evergreen	Tree/DBH < 10 cm	EXP(1.3636 * LN(DBH) + 1.615 * LN(LENG) − 2.9267)
Cairns modified [47] by Urquiza-Haas et al. [48]	Semi-evergreen	Tree/DBH ≥ 10 cm	EXP(− 2.12605 + 0.868 * LN(DBH² * TH) + (0.0939/2)) * (DENS/0.7)
Chave et al. [49]	Deciduos, semi-deciduos and semi-evergreen	Liana/DBH ≥ 2.5 cm	EXP(0.049 + 2.053 * LN(DBH))
Frangi and Lugo [50]	Deciduos, semi-deciduos and semi-evergreen	Palms/DBH ≥ 10 cm	− 4.51 + (7.7 * LENG)

ISSN: 1750-0680